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Pat. 10148197 United States, Int. Cl.22 H02M 7/797, H02M 7/5387, H03K 17/0814, H02M 1/00, H02M 7/219. Power converter having switching elements formed of unipolar devices using a wideband gap semiconductor : Appl. N 12/865590 : Filed 21.01.2009 : Pub. 04.12.2018 : / Toshiyuki Maeda, Morimitsu Sekimoto, Hiroshi Hibino ; Assignee Daikin Industries Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10148197/en?oq=US10148197.html (дата обращения: ДД.ММ.ГГГГ).